https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77620
--- Comment #2 from petschy at gmail dot com ---
Thanks, --enable-checking=release did the trick. Those unreleased checks
definitely have some runtime cost :)
My project was built in 3m35 with -O3, and the gcc master branch:
7.0.0
-O0 7m30
-O1 7m00
-O2 8m23
-O3 9m02
These are effectively the same as with 6.2.1.
Sorry for the noise.
